This inventor holds 19 USPTO granted patents. Top assignees: Konica Corporation, Konishiroku Photo Industry Co., Ltd., Konica Minolta Medical and Graphic, Inc.. Active years: 1981-2007.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokyo, JP (1994 - 1997)
- Hino, JP (1981 - 2007)
Company Filing History:
14 out of 3,106 
3 out of 1,252 
1 out of 389 
Years Active: 1981-2007
Title: Yasushi Usagawa: Innovator in Photothermographic Materials
Introduction
Yasushi Usagawa, based in Hino, Japan, is a prolific inventor known for his contributions to the field of photothermographic imaging materials. With a remarkable portfolio of 19 patents, Usagawa has significantly advanced the technology surrounding light-sensitive materials and their applications.
Latest Patents
Among Usagawa's latest innovations are two notable patents in the realm of photothermographic materials:
1. **Photothermographic Imaging Material** - This invention features a support structure that includes a photosensitive layer containing photosensitive silver halide particles. Additionally, it has a non-photosensitive layer on the opposite side of the support. Key components include an organic silver salt, a reducing agent, and specific compounds represented by designated formulas.
2. **Photothermographic Material** - This patent involves a support layered with light-sensitive silver halide particles, organic silver salt, and a reducing agent. It also incorporates a leuco dye of a particular structure along with another specific compound, enhancing the functionality of the material.
Career Highlights
Usagawa has had a notable career with significant positions at reputable companies, including Konica Corporation and Konishiroku Photo Industry Co., Ltd. His work has not only contributed to the advancement of imaging technologies but also reflects the collaboration of established companies in the field.
Collaborations
Throughout his career, Yasushi Usagawa has collaborated with several talented individuals. Notable among his coworkers are Nobuaki Kagawa and Wataru Fujimatsu. These collaborations likely enriched his work and contributed to the innovative projects for which he is known.
Conclusion
Yasushi Usagawa stands out as a key inventor in the domain of photothermographic materials. With an impressive array of patents and collaborations, he continues to influence the industry with his innovative spirit. His dedication to improving imaging technologies highlights the importance of ongoing research and development in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile